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2 219 383

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IPC

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Application

2001135724/06, 2001-12-25

(24)

Start date

2001-12-25

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Actual filing date

2001-12-25

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Published

2003-12-20

(72)

Inventor

Bogdanov V.O.Laptev A.V.Klochikhin N.V.Moshkin V.S.Okon'Skij A.B.Pyr'Ev A.A.Pjatkin V.A.Khaliulin A.G.Abramov V.I.Vasil'Kova A.F.Kravchenko T.A.Kulakov G.A.Makarichev G.M.

(73)

Holder

Zakrytoe Aktsionernoe Obshchestvo Kompanija Uralterminalmash"Otkrytoe Aktsionernoe Obshchestvo

HYDRAULIC CYLINDER Russian patent published in 2003 - IPC

Abstract RU 2219383 C2

FIELD: mechanical engineering. SUBSTANCE: invention relates to lifting and transportation machinery, namely, to double-acting hydraulic cylinders designed for displacing single, particularly, fourth extensible section of multisection telescopic boom of crane-and-manipulator plant. Proposed hydraulic cylinder contains housing with welded-to bottom, detachable through cover and flanged end connector, one-sided hollow rod with piston and end connector in form of screw-in eye, supporting-and-sealing members of movable and fixed joints, mud scraper and channels to feed working liquid provided with elbow threaded connecting unions. Design of housing and piston with rod is optimized in hydraulic cylinder. All load-bearing parts of hydraulic cylinder are made of medium carbon low-alloy steel strengthened by thermomechanical machining, and high-quality modern supporting and sealing members are used for mating and sealing components of movable joints. EFFECT: simplified design, decreased overall dimensions, improved weight characteristics, facilitated assembling, disassembling and mounting of claimed hydraulic cylinder on metal structure of multisection telescopic boom and its maintenance and improved other performance characteristics. 5 cl, 11 dwg

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RU 2 219 383 C2

Authors

Bogdanov V.O.

Laptev A.V.

Klochikhin N.V.

Moshkin V.S.

Okon'Skij A.B.

Pyr'Ev A.A.

Pjatkin V.A.

Khaliulin A.G.

Abramov V.I.

Vasil'Kova A.F.

Kravchenko T.A.

Kulakov G.A.

Makarichev G.M.

Dates

2003-12-20—Published

2001-12-25—Filed

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